2021-2024 Audi Q8 Front Suspension Noise TSB

Symptoms of Front Suspension Noise

Owners of certain 2021-2024 Audi Q7, Q5, SQ5, Q8, SQ7, SQ8, RS Q8, Q5 e quattro, Q5 Sportback, and SQ5 Sportback models may notice rumbling or knocking noises originating from the front end of their vehicle. These noises are particularly noticeable when driving on uneven roads. Workshops have confirmed that this Audi Q8 front suspension noise can be consistently reproduced during diagnosis.

Technical Background

According to Audi Technical Service Bulletin 2059996/4, the underlying cause of the rumbling or knocking noises is often attributed to tension in the vehicle's body. This tension can affect the bolted connection of the front suspension's tower brace, leading to the audible symptoms experienced by drivers.

Repair Procedure Summary

To address the Audi Q8 front suspension noise, technicians will perform a specific service procedure. The primary step involves inspecting the bolted connection of the tower brace. If necessary, the technician will secure the bolt to the correct torque specification as outlined in the official Audi repair manual. This manual provides detailed instructions under the section "Chassis >> Suspension, Wheels, Steering >> 40 Front Suspension >> Suspension Strut, Upper Control Arm >> Overview Tower Brace." After the bolt is properly torqued, the vehicle will be reassessed to ensure the noise concern has been resolved. Figure 1 in the TSB illustrates the tower brace for an Audi Q7, and Figure 2 shows it for an Audi Q5, providing visual guidance for technicians.

Warranty Information

For warranty claims related to this issue, the Service Number is 4086 and the Damage Code is 0020. Specific labor operations and their associated time units (TU) are provided:

• Check torque for tower brace: Labor Operation 4086 0199 (20 TU)
• GFF (Guided Fault Finding): No allowance (0 TU)
• Road test prior to service: Labor Operation 0121 0002 (10 TU)
• Road test after service: Labor Operation 0121 0004 (10 TU)

All warranty claims must adhere to the Audi Warranty Policies and Procedures Manual and are subject to review or audit by Audi Warranty. The claim comment should reference TSB 2059996/4.

Important Warnings

Owners should be aware that if their vehicle is outside of its warranty period, this Technical Service Bulletin 2059996/4 is provided for informational purposes only. Additionally, technicians are advised to consult the Repair Manual for the latest information on fasteners, bolts, nuts, and screws that may require replacement during the repair process.

Revision History

This Technical Service Bulletin has undergone several revisions:

• Revision 4 (November 15, 2024): Revised Warranty section, specifically removing certain claim types.
• Revision 3 (June 29, 2023): Revised the header to include additional model years. This revision superseded Technical Service Bulletin Group 40 number 23-66.
• Revision 2 (March 16, 2022): Revised the header to include additional model years.

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SOURCE: NHTSA ID: 11011253